Carlton is the main antagonist of The Amazing World of Gumball episode, "The Sweaters." His coach is Mr. Kreese and his brother is Troy. Carlton appears with Troy and bullies Gumball and Darwin, but Sarah tells him to back off. He redeems himself after he realized how "hardcore" Gumball and Darwin are, along with Mr. Kreese and Troy.
Carlton at first is a jerk, but then redeems himself and gives a scarf to Gumball.
He is based off of Speed from "Speed Racer" and Ryoma from "The Prince of Tennis".
He was originally supposed to be a dog, according to concept art.